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ResStringPool: Fix security vulnerability
authory <rtmitchell@google.com>
Fri, 6 Apr 2018 00:57:27 +0000 (17:57 -0700)
committerJP Sugarbroad <jpsugar@google.com>
Tue, 8 May 2018 21:04:00 +0000 (14:04 -0700)
commit2c36d0cfcab59c120bc3419d0788571164acefc9
tree1e66a5f31cd0da4551fe8d9370d66f9287b40a30
parent13f2367d94240c636b80f532d6d0db9bd5209d44
ResStringPool: Fix security vulnerability

Adds detection of attacker-modified size and data fields passed to
ResStringPool::setTo(). These attacks are modified apks that AAPT would
not normally generate. In the rare case this occurs, the installation
cannot be allowed to continue.

Bug: 71361168
Bug: 71360999
Test: run cts -m CtsAppSecurityHostTestCases \
          -t android.appsecurity.cts.CorruptApkTests

Change-Id: If7eb93a9e723b16c8a0556fc4e20006aa0391d57
Merged-In: If7eb93a9e723b16c8a0556fc4e20006aa0391d57
(cherry picked from commit 7e54c3f261d81316b75cb734075319108d8bc1d1)
libs/androidfw/ResourceTypes.cpp